:root{
  --ink:#1C2530;
  --steel:#2E6F9E;
  --signal:#D9820F;
  --paper:#F5F6F8;
  --slate:#4A545F;
  --white:#FFFFFF;
  --line: rgba(28,37,48,0.12);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{ background:var(--paper); color:var(--ink); font-family:'IBM Plex Sans', sans-serif; line-height:1.55; -webkit-font-smoothing:antialiased; }
.mono{font-family:'IBM Plex Mono', monospace; letter-spacing:0.02em;}
h1,h2,h3{font-family:'IBM Plex Sans', sans-serif; font-weight:700; letter-spacing:-0.01em; line-height:1.15;}
h1 em, h2 em{ font-style:normal; color:var(--steel); }
a{color:inherit; text-decoration:none;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}

nav{ position:sticky; top:0; z-index:50; background:rgba(245,246,248,0.94); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:17px; }
.brand-mark{ width:32px; height:32px; background:var(--ink); border-radius:6px; display:flex; align-items:center; justify-content:center; color:var(--steel); font-weight:700; font-size:12px; }
.nav-links{ display:flex; gap:26px; font-size:13px; font-weight:600; }
.nav-links a{ opacity:0.75; transition:opacity 0.2s; }
.nav-links a:hover{ opacity:1; }
.nav-cta{ background:var(--ink); color:var(--white); padding:10px 20px; border-radius:6px; font-size:13px; font-weight:700; }
@media(max-width:900px){ .nav-links{display:none;} }

.breadcrumb{ padding:16px 0 0; font-size:13px; color:var(--slate); }
.breadcrumb a{ color:var(--steel); font-weight:600; }

.hero{ padding:56px 0 48px; }
.eyebrow{ display:inline-flex; align-items:center; gap:8px; font-size:11.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--steel); font-weight:700; margin-bottom:20px; }
.eyebrow::before{content:''; width:16px; height:1px; background:var(--steel);}
.hero h1{ font-size:clamp(30px,4.2vw,46px); line-height:1.12; max-width:780px; color:var(--ink); }
.hero p.lead{ max-width:640px; margin-top:18px; font-size:16.5px; color:var(--slate); line-height:1.6; }
.hero-row{ display:flex; gap:14px; margin-top:26px; flex-wrap:wrap; }
.btn-primary{ background:var(--ink); color:var(--white); padding:14px 24px; border-radius:6px; font-weight:700; font-size:14px; display:inline-block; }
.btn-secondary{ background:var(--white); color:var(--ink); border:1px solid var(--line); padding:14px 24px; border-radius:6px; font-weight:700; font-size:14px; display:inline-block; }

.category-nav{ display:flex; flex-wrap:wrap; gap:8px; margin-top:28px; }
.category-nav a{ font-size:12.5px; font-weight:700; padding:8px 14px; border:1px solid var(--line); border-radius:20px; background:var(--white); transition:all 0.15s; }
.category-nav a:hover{ border-color:var(--steel); color:var(--steel); }

.category{ padding:56px 0; border-top:1px solid var(--line); }
.category:nth-child(even){ background:var(--white); }
.cat-head{ display:flex; align-items:baseline; justify-content:space-between; gap:24px; margin-bottom:36px; flex-wrap:wrap; }
.cat-head .cat-num{ font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--steel); letter-spacing:0.06em; }
.cat-head h2{ font-size:clamp(20px,2.4vw,26px); margin-top:6px; }
.cat-head p{ max-width:480px; color:var(--slate); font-size:14px; line-height:1.6; }
.cat-head .learn{ font-size:13px; font-weight:700; color:var(--steel); white-space:nowrap; }

.service-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
@media(max-width:900px){ .service-grid{grid-template-columns:repeat(2,1fr);} }
@media(max-width:600px){ .service-grid{grid-template-columns:1fr;} }

.svc-card{ background:var(--white); border:1px solid var(--line); border-radius:8px; padding:20px; transition:border-color 0.15s; }
.svc-card:hover{ border-color:var(--steel); }
.svc-card .dot{ width:6px; height:6px; border-radius:50%; background:var(--signal); display:inline-block; margin-bottom:10px; }
.svc-card h3{ font-family:'IBM Plex Sans',sans-serif; font-weight:700; font-size:14.5px; margin-bottom:6px; color:var(--ink); }
.svc-card p{ font-size:13px; color:var(--slate); line-height:1.55; }
.svc-card .tags{ margin-top:10px; display:flex; flex-wrap:wrap; gap:6px; }
.svc-card .tag{ font-family:'IBM Plex Mono',monospace; font-size:10px; color:var(--slate); background:var(--paper); border:1px solid var(--line); padding:3px 7px; border-radius:3px; }

.article{ padding:8px 0 20px; }
.article .content{ max-width:720px; }
.article p{ font-size:15px; color:var(--slate); line-height:1.75; margin-bottom:16px; }
.article strong{ color:var(--ink); }

.why{ padding:70px 0; background:var(--ink); color:var(--paper); }
.why .eyebrow{ color:var(--signal); }
.why .eyebrow::before{ background:var(--signal); }
.why h2{ color:var(--paper); font-size:clamp(24px,2.8vw,32px); max-width:640px; }
.why-grid{ margin-top:40px; display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:rgba(245,246,248,0.12); border:1px solid rgba(245,246,248,0.12); }
@media(max-width:800px){ .why-grid{grid-template-columns:1fr;} }
.why-card{ background:var(--ink); padding:26px 24px; }
.why-card .idx{ font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--signal); }
.why-card h3{ font-family:'IBM Plex Sans',sans-serif; font-weight:700; font-size:16.5px; margin:10px 0 8px; }
.why-card p{ font-size:12.5px; color:rgba(245,246,248,0.65); line-height:1.55; }

.offer{ padding:60px 0; background:var(--ink); position:relative; overflow:hidden; }
.offer::before{ content:''; position:absolute; top:-40%; right:-10%; width:400px; height:400px; border-radius:50%; background:radial-gradient(circle, rgba(46,111,158,0.2) 0%, transparent 70%); }
.offer-inner{ position:relative; z-index:1; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.offer-text h2{ color:var(--paper); font-size:clamp(20px,2.4vw,26px); max-width:600px; line-height:1.25; }
.offer-text p{ color:rgba(245,246,248,0.65); font-size:14px; margin-top:10px; max-width:560px; line-height:1.6; }
.offer-badge{ background:var(--signal); color:var(--ink); padding:9px 16px; border-radius:6px; font-size:11.5px; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; display:inline-block; margin-bottom:14px; }
.offer-cta{ flex-shrink:0; }
.offer-cta a{ background:var(--signal); color:var(--ink); padding:14px 26px; border-radius:6px; font-weight:700; font-size:14px; display:inline-block; white-space:nowrap; }

.contact{ padding:70px 0; background:var(--white); border-top:1px solid var(--line); }
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:start; }
@media(max-width:800px){ .contact-grid{grid-template-columns:1fr; gap:32px;} }
.contact-info h2{ font-size:clamp(22px,2.6vw,28px); margin-bottom:14px; }
.contact-info p{ color:var(--slate); font-size:14.5px; line-height:1.6; max-width:420px; margin-bottom:22px; }
.contact-phone{ display:inline-flex; align-items:center; gap:10px; font-family:'IBM Plex Sans',sans-serif; font-size:20px; color:var(--ink); font-weight:700; }
.contact-phone .mono{ color:var(--steel); font-size:11px; display:block; margin-bottom:4px; }
form.svc-form{ display:flex; flex-direction:column; gap:13px; }
form.svc-form input, form.svc-form select, form.svc-form textarea{ width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:6px; font-family:'IBM Plex Sans',sans-serif; font-size:14px; background:var(--paper); color:var(--ink); }
form.svc-form textarea{ resize:vertical; min-height:80px; }
form.svc-form label{ font-size:12px; font-weight:600; color:var(--slate); margin-bottom:-7px; }
form.svc-form button{ background:var(--ink); color:var(--paper); border:none; padding:13px; border-radius:6px; font-weight:700; font-size:14px; cursor:pointer; margin-top:6px; font-family:'IBM Plex Sans',sans-serif; }

.related{ padding:40px 0; background:var(--paper); border-top:1px solid var(--line); }
.related .label{ font-size:12px; text-transform:uppercase; letter-spacing:0.06em; color:var(--slate); margin-bottom:16px; }
.related-links{ display:flex; gap:16px; flex-wrap:wrap; }
.related-card{ flex:1; min-width:240px; background:var(--white); border:1px solid var(--line); border-radius:8px; padding:18px 20px; }
.related-card h3{ font-family:'IBM Plex Sans',sans-serif; font-size:14.5px; font-weight:700; margin-bottom:5px; }
.related-card p{ font-size:12.5px; color:var(--slate); line-height:1.5; }
.related-card a{ color:var(--steel); font-weight:700; }

.faq{ padding:60px 0; }
.faq h2{ font-size:clamp(22px,2.6vw,28px); margin-bottom:28px; }
.faq-item{ border-top:1px solid var(--line); padding:18px 0; }
.faq-item:last-child{ border-bottom:1px solid var(--line); }
.faq-item h3{ font-size:16px; margin-bottom:6px; }
.faq-item p{ font-size:13.5px; color:var(--slate); line-height:1.6; max-width:680px; }

.cta{ padding:90px 0; text-align:center; }
.cta h2{ font-size:clamp(26px,3.2vw,38px); max-width:640px; margin:0 auto; line-height:1.15; }
.cta p{ color:var(--slate); margin:16px auto 0; max-width:440px; font-size:15px; }
.cta .btn-primary{ margin-top:28px; }

footer{ border-top:1px solid var(--line); padding:32px 0; }
footer .wrap{ display:flex; justify-content:space-between; align-items:center; font-size:12.5px; color:var(--slate); flex-wrap:wrap; gap:10px; }